diff options
| author | Matthias Clasen <mclasen@redhat.com> | 2020-11-09 20:07:09 -0500 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2020-11-09 20:07:09 -0500 |
| commit | a745dbfc1572ffb5af31aafe0aec1e5f410c6894 (patch) | |
| tree | 0f5d98c5f587223592f45fc69352b472b0981fc5 /demos/gtk-demo | |
| parent | 14be50839ed798b3499bb83f6b97bdbcc045fea4 (diff) | |
| download | gtk+-a745dbfc1572ffb5af31aafe0aec1e5f410c6894.tar.gz | |
gkt-demo: Add a columview to the scroll demo
This is an interesting case, since it has many labels,
and we are struggling to provide good scrolling performance.
Diffstat (limited to 'demos/gtk-demo')
| -rw-r--r-- | demos/gtk-demo/iconscroll.c | 25 | ||||
| -rw-r--r-- | demos/gtk-demo/listview_ucd.c | 5 |
2 files changed, 27 insertions, 3 deletions
diff --git a/demos/gtk-demo/iconscroll.c b/demos/gtk-demo/iconscroll.c index d7a6c1b5e3..43d74c49f7 100644 --- a/demos/gtk-demo/iconscroll.c +++ b/demos/gtk-demo/iconscroll.c @@ -13,7 +13,7 @@ static GtkWidget *window = NULL; static GtkWidget *scrolledwindow; static int selected; -#define N_WIDGET_TYPES 6 +#define N_WIDGET_TYPES 7 static int hincrement = 5; @@ -177,6 +177,24 @@ populate_grid (void) gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolledwindow), list); } +extern GtkWidget *create_ucd_view (GtkWidget *label); + +static void +populate_list2 (void) +{ + GtkWidget *list; + + list = create_ucd_view (NULL); + + hincrement = 0; + vincrement = 5; + + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolledwindow), list); +} + static void set_widget_type (int type) { @@ -216,6 +234,11 @@ set_widget_type (int type) break; case 5: + gtk_window_set_title (GTK_WINDOW (window), "Scrolling a list"); + populate_list2 (); + break; + + case 6: gtk_window_set_title (GTK_WINDOW (window), "Scrolling a grid"); populate_grid (); break; diff --git a/demos/gtk-demo/listview_ucd.c b/demos/gtk-demo/listview_ucd.c index 9fe85fcbd1..df120fcb08 100644 --- a/demos/gtk-demo/listview_ucd.c +++ b/demos/gtk-demo/listview_ucd.c @@ -259,7 +259,7 @@ selection_changed (GObject *object, gtk_label_set_label (GTK_LABEL (label), buffer); } -static GtkWidget * +GtkWidget * create_ucd_view (GtkWidget *label) { GtkWidget *cv; @@ -273,7 +273,8 @@ create_ucd_view (GtkWidget *label) selection = gtk_single_selection_new (ucd_model); gtk_single_selection_set_autoselect (selection, TRUE); gtk_single_selection_set_can_unselect (selection, FALSE); - g_signal_connect (selection, "notify::selected", G_CALLBACK (selection_changed), label); + if (label) + g_signal_connect (selection, "notify::selected", G_CALLBACK (selection_changed), label); cv = gtk_column_view_new (GTK_SELECTION_MODEL (selection)); gtk_column_view_set_show_column_separators (GTK_COLUMN_VIEW (cv), TRUE); |